Fixed zip_iterator category
modified vector_dotproduct to properly work in parallel
Fix for C++11 is_callable mem-ptr with boost::reference_wrapper (extension)
Merge pull request #1181 from STEllAR-GROUP/n8071

Adding all_of, any_of, and none_of and corresponding documentation
Merge branch 'master' into extended_reduce

Conflicts:
	examples/quickstart/vector_zip_dotproduct.cpp